Range: |
Accuracy (23 + 3°C): |
0.5%fs + 0.2° > 20% input current, 0.5%fs + 0.4° >10% input current |
Stability : |
Temperature coefficient <50 ppm per degree c, long term draft <0.2% per year |
Digits & counts: |
0.001-0.999 for PF, 0.010-360.0 degree for phase angle |
Display : |
0.56” super rate LED |
Frequency: |
47-70 Hz |
Overload : |
Current input:3xrating-continuous, 10x rating-30 sec., 25x rting-3 sec.Voltage input : max continuous 750V or 1.5 rating which ever great |
Dielectric strength: |
2.5KVrms/1 min, all terminals to case, 2KVrms/1 min input vs power terminals |
Surge; |
ANSI C37.90/1989, IEC 255-3 (1989) |
Impulse Voltage: |
1.2x50us 4KV, oscillation wave 0.5us-100KHz 3KV or 1Mhz-0.25 ms 2.5KV |
Operating Condition: |
Temperature range -10 to 55°C, 0-99% RH non-condensed, storage -25 to 70°C |
Auxilliary Power: |
AC ± 15% < 6 VA DC ±20% < 6 watt |
Applied rules and standards |
Measuring & conversion: |
IEC 688 |
Dielectric strength: |
IEC 688 |
Impulse & Surge test: |
ANSI C37.90.1/1989IEC 255-3 (1989) |
Measuring reliability: |
VDE 3540 |